ETFs to Watch April 20, 2012 (TBT, TZA, ECH)

Here is the ETF Professor's ETF Watch List for Friday April 20, 2012. The Market Vectors Agribusiness ETF MOO is an interesting sector play. Watch for biotech follow through with the SPDR S&P Biotech ETF XBI. The U.S. Natural Gas Fund UNG continues to falter. Keep an eye on the Direxion Daily Small Cap Bear 3X Shares TZA. Emerging markets plays of the day: ProShares UltraShort Brazil BZQ, Market Vectors Vietnam ETF VNM and the iShares MSCI Chile Investable Market ETF ECH. Forex play of the day: ProShares UltraShort Yen YCS. Bond play of the day: ProShares UltraShort 20+ Year Treasury TBT.